3com 4210 PWR 18-PORT User Manual

Page of 74
18
C
HAPTER
 1: P
RODUCT
 I
NTRODUCTION
Switch 4210 Family
Front Panel LEDs
Power LED
Table 6 describes the power LED on the Switch 4210.
Port LED
Table 7 describes the 10/100Base-TX autosensing port’s Link/Act LED.
Table 8 describes the Speed LED on the 10/100Base-TX port.
For a description of the Link/Act LED of the Combo port, see Table 7. When the 
port is connected correctly, the Speed LED indicates the operating speeds of the 
Combo port, as shown in Table 9.
Table 6   The power LED on the Switch 4210
LED 
Mark on the panel 
Status 
Description 
Power LED 
Power 
ON 
The switch is powered on. 
OFF 
The switch is powered off.
Table 7   The Link/Act LED on the 3Com Switch 4210
LED Status 
Description 
Link/Act LED (green) 
ON 
The port is connected properly. 
BLINKING 
The port is in the active state and there is 
traffic on the port. 
OFF 
The port is not connected or is incorrectly 
connected.
Table 8   The 10/100Base-TX port Speed LED on the Switch 4210
LED Status 
Description 
10/100Base-TX autosensing 
port Speed LED (green) 
ON 
The port is operating at 100 Mbps. 
OFF 
The port is operating at 10 Mbps.
Table 9   The Combo port Speed LED on the Switch 4210
LED Operating 
port
Status 
Description 
Combo port 
Speed LED 
(green) 
100/1000Base-X 
SFP port 
Connected 
to a 1000 
Mbps optical 
module 
ON 
The port is operating at 
1000 Mbps. 
Connected 
to a 100 
Mbps optical 
module 
OFF 
The port is operating at 
100 Mbps. 
10/100/1000Base-T autosensing 
port
ON 
The port is operating at 
1000 Mbps. 
OFF 
The port is operating at 
10/100 Mbps.